One of the most abundant iron-containing minerals on Earth, and also the oldest known magnetic material, is magnetite, Fe3O4. Magnetite has applications in many fields, such as the study of paleomagnetism—magnetism in rocks ...
Magnetite is the oldest magnetic material known to humans, yet researchers are still mystified by certain aspects of its properties.
Quantum Physics
Mar 12, 2020
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Great science stems from curiosity and hard work. In this case, it all began with a broken freezer.
Condensed Matter
May 9, 2018
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Researchers have shown that ancient Egyptian iron beads held at the UCL Petrie Museum were hammered from pieces of meteorites, rather than iron ore. The objects, which trace their origins to outer space, also predate the ...
Archaeology
Aug 19, 2013
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(Phys.org)—An assistant professor at the University of California, Riverside's Bourns College of Engineering is using the teeth of a marine snail found off the coast of California to create less costly and more efficient ...
Nanomaterials
Jan 16, 2013
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Iron is well-known for rusting, but this doesn't just happen on contact with oxygen and water. Some bacteria are also able to decompose iron anaerobically in a process referred to as electrobiocorrosion.
Materials Science
Aug 14, 2023
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190
A research team led by Prof. Li Yang and Dr. Guo Zhuang from the Institute of Geochemistry of the Chinese Academy of Sciences (IGCAS) conducted in-situ electron microanalysis of spherical iron-sulfide grains in the finest ...
Planetary Sciences
Dec 5, 2022
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143
It's widely understood that animals such as salmon, butterflies and birds have an innate magnetic sense, allowing them to use the Earth's magnetic field for navigation to places such as feeding and breeding grounds.
Plants & Animals
Jan 10, 2022
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201
From practical applications such as secure communications to complex scientific questions such as how the brain works, classical computing isn't always up to the task. Now, researchers from Japan have a made a discovery that ...
Nanomaterials
Nov 17, 2021
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An international team of scientists uncovered exotic quantum properties hidden in magnetite, the oldest magnetic material known to mankind. The study reveals the existence of low-energy waves that indicate the important role ...
General Physics
May 27, 2020
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